On Wed, Mar 21, 2018 at 09:03:13PM +0100, Giulio Benetti wrote: > The A20-Linova1-7 HMI, also called Q027_2_F which is printed on production > label, is an industrial Human Machine Interface. > It features: > - 512MB DDR RAM > - 1 Sd-card >= 4GB > - 1 Usb otg(programmable via software) with A-Usb Connector > - 1 Usb host > - 1 Buzzer > - 1 Input for LiPo > - 1 Relay to signal absence of power supply > - 1 External Rtc with 56 bytes of ram + CR2032 battery > - 1 7" 24-bits Tft 800x480 with PCap on > - 1 Mono audio 1-watt amplifier > - 1 RS485 port > - 1 Power On Line through +12Vdc reaching 57.600baud, > from where it can be supplied and placed in a network of 50 units > - exposed jtag pins > > HMI is supplied from +12Vdc. > Ethernet is absent, so for debugging, need to enable rndis on Usb otg > port through an A-A usb cable. > It comes in different flavours for connector types and can be found with > umounted features as requested by customers. So this is essentially the same board than in patch 6, but with a different screen? You should have a single DT then, and handle the two different panels using DT overlays. > Signed-off-by: Giulio Benetti > --- > .../devicetree/bindings/arm/micronova.txt | 4 + > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/sun7i-a20-linova1-ctp-7i.dts | 192 +++++++++++++++++++++ > 3 files changed, 197 insertions(+) > create mode 100644 arch/arm/boot/dts/sun7i-a20-linova1-ctp-7i.dts > > diff --git a/Documentation/devicetree/bindings/arm/micronova.txt b/Documentation/devicetree/bindings/arm/micronova.txt > index 35c4127..9f5ac72 100644 > --- a/Documentation/devicetree/bindings/arm/micronova.txt > +++ b/Documentation/devicetree/bindings/arm/micronova.txt > @@ -4,3 +4,7 @@ Micronova Device Tree Bindings > A20-LiNova1-4_3 HMI > Required root node properties: > - compatible = "micronova,a20-linova1-ctp-4_3i", "allwinner,sun7i-a20"; > + > +A20-LiNova1-7 HMI > +Required root node properties: > + - compatible = "micronova,a20-linova1-ctp-7i", "allwinner,sun7i-a20"; These bindings are unnecessary, but the panel-simple bindings should be sent to the DT maintainers as well. > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index c45a4f25..eafa7cb 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -942,6 +942,7 @@ dtb-$(CONFIG_MACH_SUN7I) += \ > sun7i-a20-m3.dtb \ > sun7i-a20-mk808c.dtb \ > sun7i-a20-linova1-ctp-4_3i.dtb\ > + sun7i-a20-linova1-ctp-7i.dtb\ You should have a space after dtb, and it should be ordered alphabetically. > sun7i-a20-olimex-som-evb.dtb \ > sun7i-a20-olinuxino-lime.dtb \ > sun7i-a20-olinuxino-lime2.dtb \ > diff --git a/arch/arm/boot/dts/sun7i-a20-linova1-ctp-7i.dts b/arch/arm/boot/dts/sun7i-a20-linova1-ctp-7i.dts > new file mode 100644 > index 0000000..7fd0d98 > --- /dev/null > +++ b/arch/arm/boot/dts/sun7i-a20-linova1-ctp-7i.dts > @@ -0,0 +1,192 @@ > +/* > + * This is based on sun7i-a20-linova1-ctp-7i.dts > + * > + * Copyright 2014 - Hans de Goede > + * Copyright (c) 2014 FUKAUMI Naoki > + * Copyright (c) 2018 Giulio Benetti > + * > + * This file is dual-licensed: you can use it either under the terms > + * of the GPL or the X11 license, at your option. Note that this dual > + * licensing only applies to this file, and not this project as a > + * whole. > + * > + * a) This file is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License as > + * published by the Free Software Foundation; either version 2 of the > + * License, or (at your option) any later version. > + * > + * This file is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * Or, alternatively, > + * > + * b) Permission is hereby granted, free of charge, to any person > + * obtaining a copy of this software and associated documentation > + * files (the "Software"), to deal in the Software without > + * restriction, including without limitation the rights to use, > + * copy, modify, merge, publish, distribute, sublicense, and/or > + * sell copies of the Software, and to permit persons to whom the > + * Software is furnished to do so, subject to the following > + * conditions: > + * > + * The above copyright notice and this permission notice shall be > + * included in all copies or substantial portions of the Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, > + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES > + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND > + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT > + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, > + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR > + * OTHER DEALINGS IN THE SOFTWARE. > + */ You should use an SPDX license header here. > + > +/dts-v1/; > +#include "sun7i-a20.dtsi" > +#include "sunxi-common-regulators.dtsi" > + > +#include > +#include > + > +/ { > + model = "Micronova srl LiNova1 CTP 7i"; > + compatible = "micronova,a20-linova1-ctp-7i", "allwinner,sun7i-a20"; > + > + aliases { > + serial0 = &uart0; > + }; > + > + chosen { > + stdout-path = "serial0:115200n8"; > + }; > + > + panel: panel { > + compatible = "cdtech,s070wv95-ct16", "simple-panel"; > + power-supply = <®_vcc3v3>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + panel_input: endpoint@0 { > + reg = <0>; > + remote-endpoint = <&tcon0_out_panel>; > + }; > + }; > + }; > +}; > + > +&ehci0 { > + status = "okay"; > +}; > + > +&ehci1 { > + status = "okay"; > +}; > + > +&i2c0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c0_pins_a>; > + status = "okay"; > + > + axp209: pmic@34 { > + compatible = "x-powers,axp209"; > + reg = <0x34>; > + interrupt-parent = <&nmi_intc>; > + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; > + > + interrupt-controller; > + #interrupt-cells = <1>; > + }; > +}; > + > +&i2c2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c2_pins_a>; > + status = "okay"; > + > + ft5x: touchscreen@38 { > + compatible = "edt,edt-ft5206"; > + reg = <0x38>; > + interrupt-parent = <&pio>; > + interrupts = <7 2 IRQ_TYPE_EDGE_FALLING>; /* PH2 */ > + reset-gpios = <&pio 7 3 GPIO_ACTIVE_LOW>; /* PH3 */ > + touchscreen-size-x = <800>; > + touchscreen-size-y = <480>; > + }; > +}; > + > +&mmc0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc0_pins_a>; > + vmmc-supply = <®_vcc3v3>; > + bus-width = <4>; > + cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */ > + cd-inverted; > + status = "okay"; > +}; > + > +&ohci0 { > + status = "okay"; > +}; > + > +&ohci1 { > + status = "okay"; > +}; > + > +&otg_sram { > + status = "okay"; > +}; > + > +®_usb0_vbus { > + status = "okay"; > +}; > + > +®_usb1_vbus { > + status = "okay"; > +}; Ideally you should be defining the regulators here too. > +&uart0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&uart0_pins_a>; > + status = "okay"; > +}; > + > +&usb_otg { > + dr_mode = "otg"; You're saying that this is a USB-A connector? Then it's not OTG since it doesn't have an ID pin, this is an host. > + status = "okay"; > +}; > + > +&usbphy { > + pinctrl-names = "default"; > + usb0_vbus-supply = <®_usb0_vbus>; > + usb1_vbus-supply = <®_usb1_vbus>; > + status = "okay"; > +}; > + > +&be0 { > + status = "okay"; > +}; > + > +&de { > + status = "okay"; > +}; The nodes should be ordered by alphabetical order. Thanks! Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com